Fix coverage

nilmdb/client/httpclient.py

@@ -139,7 +139,7 @@ class HTTPClient(object):
                     pending = tmp[-1]
                 for line in lines:
                     yield line
-            if pending is not None:
+            if pending is not None: # pragma: no cover (missing newline)
                 yield pending
 
         # Yield the chunks or lines as requested